Merge pull request #182 from jojoo15/patch-12

添加 0530.二叉搜索树的最小绝对差 python版本

problems/0530.二叉搜索树的最小绝对差.md

@@ -177,8 +177,29 @@ class Solution {
 ```
 
 Python：
+```python
+# Definition for a binary tree node.
+# class TreeNode:
+#     def __init__(self, val=0, left=None, right=None):
+#         self.val = val
+#         self.left = left
+#         self.right = right
+class Solution:
+    def getMinimumDifference(self, root: TreeNode) -> int:
+        res = []   
+        r = float("inf")
+        def buildaList(root):  //把二叉搜索树转换成有序数组
+            if not root: return None
+            if root.left: buildaList(root.left)  //左
+            res.append(root.val)  //中
+            if root.right: buildaList(root.right)  //右
+            return res
             
-
+        buildaList(root)
+        for i in range(len(res)-1):  // 统计有序数组的最小差值
+            r = min(abs(res[i]-res[i+1]),r)
+        return r
+```
 Go：